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<?php class A { function f(array $p) { var_dump($p); } } class B extends A { function f(iterable $p) { var_dump($p); } } (new B)->f([]);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.21, 8.3.0 - 8.3.9
array(0) { }
Output for 7.0.0 - 7.0.33
Warning: Declaration of B::f(iterable $p) should be compatible with A::f(array $p) in /in/dua6h on line 9 Fatal error: Uncaught TypeError: Argument 1 passed to B::f() must be an instance of iterable, array given, called in /in/dua6h on line 11 and defined in /in/dua6h:8 Stack trace: #0 /in/dua6h(11): B->f(Array) #1 {main} thrown in /in/dua6h on line 8
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Strict Standards: Declaration of B::f() should be compatible with A::f(array $p) in /in/dua6h on line 9 Catchable fatal error: Argument 1 passed to B::f() must be an instance of iterable, array given, called in /in/dua6h on line 11 and defined in /in/dua6h on line 8
Process exited with code 255.

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